🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.7

Radius: 12.6

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.76 AU - 0.8 AU

Year: 445 Days

Day: 13.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,178,844 km

• M1: 156,779 km (0.092 R)
• M2: 577,597 km (0.109 R)
• M3: 1,175,540 km (0.104 R)
• M4: 1,954,197 km (0.063 R)
• M5: 2,361,253 km (0.075 R)
• M6: 2,886,341 km (0.061 R)
• M7: 3,740,545 km (0.117 R)
• M8: 4,147,900 km (0.079 R)
• M9: 4,713,380 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.2

Radius: 10.4

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.75 AU - 1.07 AU

Year: 561 Days

Day: 13.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,178,844 km

• M1: 129,402 km (0.102 R)
• M2: 519,105 km (0.116 R)
• M3: 1,304,493 km (0.118 R)
• M4: 1,651,560 km (0.117 R)
• M5: 1,995,486 km (0.083 R)
• M6: 2,395,810 km (0.094 R)
• M7: 2,914,915 km (0.102 R)
• M8: 3,771,362 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364

Radius: 12.1

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.96 AU - 1.3 AU

Year: 776 Days

Day: 7.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,178,844 km

• M1: 150,495 km (0.065 R)
• M2: 532,718 km (0.072 R)
• M3: 1,088,923 km (0.046 R)
• M4: 1,650,663 km (0.084 R)
• M5: 2,119,203 km (0.05 R)
• M6: 2,530,897 km (0.084 R)
• M7: 3,518,841 km (0.089 R)
• M8: 3,905,103 km (0.087 R)
• M9: 4,908,007 km (0.11 R)
• M10: 5,762,809 km (0.113 R)
• M11: 6,264,411 km (0.045 R)
• M12: 6,714,401 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.3

Radius: 14.3

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.44 AU - 1.88 AU

Year: 1381 Days

Day: 14.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,178,844 km

• M1: 177,872 km (0.117 R)
• M2: 1,559,558 km (0.115 R)
• M3: 2,123,392 km (0.119 R)
• M4: 3,157,562 km (0.109 R)
• M5: 5,112,507 km (0.097 R)
• M6: 6,529,947 km (0.051 R)

Asteroid Belt

Center: 2.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.5

Radius: 10

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.62 AU - 3.88 AU

Year: 3783 Days

Day: 5.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,178,844 km

• M1: 124,615 km (0.109 R)
• M2: 602,131 km (0.112 R)
• M3: 1,236,426 km (0.096 R)
• M4: 1,764,956 km (0.106 R)
• M5: 2,114,566 km (0.045 R)
• M6: 2,828,148 km (0.094 R)
• M7: 3,223,984 km (0.088 R)
• M8: 4,661,769 km (0.118 R)
• M9: 5,192,841 km (0.085 R)
• M10: 5,867,228 km (0.12 R)
• M11: 6,598,912 km (0.034 R)
• M12: 7,390,284 km (0.064 R)
• M13: 7,952,174 km (0.084 R)
• M14: 9,958,281 km (0.117 R)
• M15: 10,450,608 km (0.055 R)
• M16: 11,524,870 km (0.045 R)
• M17: 11,940,902 km (0.03 R)
• M18: 14,315,619 km (0.118 R)
• M19: 17,149,601 km (0.071 R)
• M20: 17,747,244 km (0.11 R)
• M21: 18,302,551 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.3

Radius: 10.2

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.55 AU - 4.05 AU

Year: 3871 Days

Day: 11.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,178,844 km

• M1: 126,859 km (0.1 R)
• M2: 615,296 km (0.046 R)
• M3: 966,103 km (0.086 R)
• M4: 1,298,061 km (0.108 R)
• M5: 1,683,275 km (0.064 R)
• M6: 2,383,244 km (0.101 R)
• M7: 4,012,514 km (0.053 R)
• M8: 4,742,253 km (0.071 R)
• M9: 5,125,971 km (0.1 R)
• M10: 7,298,880 km (0.118 R)
• M11: 11,591,741 km (0.056 R)
• M12: 14,716,840 km (0.068 R)
• M13: 15,536,337 km (0.092 R)
• M14: 19,057,123 km (0.112 R)
• M15: 22,217,378 km (0.058 R)
• M16: 23,662,344 km (0.091 R)
• M17: 24,407,790 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.3

Radius: 12.1

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.11 AU - 5.51 AU

Year: 6811 Days

Day: 12.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,178,844 km

• M1: 152,590 km (0.112 R)
• M2: 529,427 km (0.101 R)
• M3: 1,064,688 km (0.092 R)
• M4: 1,502,561 km (0.107 R)
• M5: 2,061,907 km (0.114 R)
• M6: 2,444,280 km (0.097 R)
• M7: 4,672,091 km (0.067 R)
• M8: 5,071,667 km (0.091 R)
• M9: 8,132,739 km (0.119 R)
• M10: 9,321,892 km (0.106 R)
• M11: 12,416,922 km (0.085 R)
• M12: 15,379,708 km (0.091 R)
• M13: 16,204,441 km (0.076 R)
• M14: 17,259,705 km (0.118 R)
• M15: 19,874,975 km (0.084 R)
• M16: 20,549,063 km (0.09 R)
• M17: 21,315,901 km (0.062 R)
• M18: 22,022,153 km (0.079 R)
• M19: 23,564,507 km (0.073 R)
• M20: 24,319,827 km (0.112 R)
• M21: 25,091,153 km (0.038 R)
• M22: 28,059,474 km (0.065 R)
• M23: 28,812,849 km (0.096 R)
• M24: 30,854,710 km (0.04 R)
• M25: 31,556,324 km (0.091 R)
• M26: 34,255,818 km (0.096 R)
• M27: 36,768,913 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.5

Radius: 11.2

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.82 AU - 6.7 AU

Year: 8926 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,178,844 km

• M1: 139,575 km (0.055 R)
• M2: 803,789 km (0.058 R)
• M3: 1,232,986 km (0.057 R)
• M4: 2,354,970 km (0.103 R)
• M5: 2,712,060 km (0.063 R)
• M6: 3,083,960 km (0.09 R)
• M7: 3,906,449 km (0.077 R)
• M8: 5,079,895 km (0.107 R)
• M9: 5,781,659 km (0.086 R)
• M10: 6,438,692 km (0.072 R)
• M11: 8,493,419 km (0.084 R)
• M12: 9,023,744 km (0.099 R)
• M13: 9,529,085 km (0.107 R)
• M14: 9,908,465 km (0.066 R)
• M15: 10,496,385 km (0.099 R)
• M16: 12,178,613 km (0.068 R)
• M17: 14,094,513 km (0.032 R)
• M18: 16,070,252 km (0.052 R)
• M19: 17,935,887 km (0.069 R)
• M20: 19,788,208 km (0.103 R)
• M21: 20,251,213 km (0.095 R)
• M22: 22,175,491 km (0.05 R)
• M23: 32,786,917 km (0.086 R)
• M24: 33,653,687 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 14,867 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit